libreoffice fails compilation on my system, with the following error: /alt/portage/tmp/portage/app-office/libreoffice-5.2.4.2/work/libreoffice-5.2.4.2/include/rtl/ustring.hxx: In member function ‘sal_Int32 rtl::OUString::compareTo(const rtl::OUString&, sal_Int32) const’: /alt/portage/tmp/portage/app-office/libreoffice-5.2.4.2/work/libreoffice-5.2.4.2/include/rtl/ustring.hxx:617:63: error: expected id-expression before ‘->’ token str.pData->buffer, str.pData->length, maxLength ); ^~
Created attachment 456714 [details] app-office:libreoffice-5.2.4.2:20161219-120343.log.tar.gz
Created attachment 456716 [details] Output of emerge --info '=app-office/libreoffice-5.2.4.2:0/0'
Created attachment 456718 [details] Output of emerge -pqv '=app-office/libreoffice-5.2.4.2::gentoo'
Can you reproduce that issue with GCC-6.3.0?